Odpowiedź:
[tex]log_545=log_5(5*9)=log_55+log_59=1+log_53^2=1+2log_53\\a=1+2log_53/-1\\a-1=2log_53/:2\\\displaystyle log_53=\frac{a-1}{2}[/tex]
C
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Odpowiedź:
[tex]log_545=log_5(5*9)=log_55+log_59=1+log_53^2=1+2log_53\\a=1+2log_53/-1\\a-1=2log_53/:2\\\displaystyle log_53=\frac{a-1}{2}[/tex]
C